CHEMISTRY:PRIN.+REACTIONS-OWLV2 ACCESS
8th Edition
ISBN: 9781305079298
Author: Masterton
Publisher: Cengage Learning
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Chapter 19, Problem 44QAP
has a crystal field splitting energy, Δo, of
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The Coordination Principle describes the likely three-dimensional (i.e., polyhedral)
relationship which forms between around cations. Here is a helpful table:
anion polyhedron
tetrahedron
octahedron
cation
Na
Fe²+
Given the following ionic radii, what is the anion polyhedron for each cation? Assume the
coordinating anion is O²- which has a radius of 1.36 Å. One angstrom (A) = 0.0000001 mm.
anion polyhedron
Mg²+
Al³+
Coordination #
4
6
8
12
Si4+
radius
1.15 Å
0.78 Å
0.72 Å
0.54 Å
cube
close packing
0.26 Å
Rcation: Ranion
0.23-0.41
0.41-0.73
0.73-0.99
~1.00
The crystal field splitting Δoct is equal to 3.50×10−19J. What is the wavelength of light that this complex absorbs?
Use 6.63×10−34J⋅s for Planck's constant and 3.0×108m/s for the speed of light.
Round the answer to the nearest nanometer.
Define actinides
Chapter 19 Solutions
CHEMISTRY:PRIN.+REACTIONS-OWLV2 ACCESS
Ch. 19 - Prob. 1QAPCh. 19 - Prob. 2QAPCh. 19 - Prob. 3QAPCh. 19 - Platinum(II) forms many complexes, among them...Ch. 19 - Prob. 5QAPCh. 19 - What is the coordination number of the central...Ch. 19 - Prob. 7QAPCh. 19 - Prob. 8QAPCh. 19 - Prob. 9QAPCh. 19 - Prob. 10QAP
Ch. 19 - Prob. 11QAPCh. 19 - Prob. 12QAPCh. 19 - What is the mass percent of sulfur in the...Ch. 19 - Prob. 14QAPCh. 19 - There are four iron atoms in each hemoglobin...Ch. 19 - Vitamin B12 is a coordination compound with cobalt...Ch. 19 - Prob. 17QAPCh. 19 - Prob. 18QAPCh. 19 - Name the following ions or compounds (a)...Ch. 19 - Name the following ions or compounds (a)...Ch. 19 - Prob. 21QAPCh. 19 - Prob. 22QAPCh. 19 - Sketch the geometry of (a)...Ch. 19 - Sketch the geometry of (a) tans-[Cu(Br)2(H2O)4]...Ch. 19 - Prob. 25QAPCh. 19 - Prob. 26QAPCh. 19 - Which of the following octahedral complexes show...Ch. 19 - Prob. 28QAPCh. 19 - Prob. 29QAPCh. 19 - Prob. 30QAPCh. 19 - Prob. 31QAPCh. 19 - Prob. 32QAPCh. 19 - Write an abbreviated orbital diagram and determine...Ch. 19 - Prob. 34QAPCh. 19 - Give the electron distribution in low-spin and/or...Ch. 19 - Prob. 36QAPCh. 19 - Prob. 37QAPCh. 19 - Prob. 38QAPCh. 19 - Prob. 39QAPCh. 19 - Prob. 40QAPCh. 19 - Give the number of unpaired electrons in...Ch. 19 - Prob. 42QAPCh. 19 - Ti(NH3)63+ has a d-orbital electron transition at...Ch. 19 - has a crystal field splitting energy, o, of...Ch. 19 - Prob. 45QAPCh. 19 - Prob. 46QAPCh. 19 - Prob. 47QAPCh. 19 - Prob. 48QAPCh. 19 - Prob. 49QAPCh. 19 - Indicate whether each of the following is true or...Ch. 19 - A child eats 10.0 g of paint containing 5.0% Pb....Ch. 19 - A certain coordination compound has the simplest...Ch. 19 - Prob. 53QAPCh. 19 - In the [Ti(H2O)63+] ion, the splitting between the...
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- Which Period 4 transition-metal ions are isoelectronic with (a) Zn2+ (b) Mn2+ (c) Cr3+ (d) Fe3+arrow_forwardIdentify, based on the position in the periodic table, the actinide elements among those in the following list: Co, Cm, Cd, Ce, Cf.arrow_forwardWhich of the following species is most paramagnetic? (a) Cr (b) Cr3+ (c) Mn (d) Mn2+arrow_forward
- 3. At 525 nm, the permanganate ions absorb which color of light?arrow_forward2+ has a broad absorption band centered at about 500 nm. What color light is absorbed by the ion? In water, the cobalt(I) ion, Co(H2O)6 green O magenta O yellow О blue О суan O redarrow_forwardWhy is CN^1- not an acceptor (pi) as good as CO, even though they are isoelectronic?arrow_forward
- Which atoms/ions fit the electron configuration? 1s22s22p63s23p64s23d4 Cr Fe2+ None Mn+ Co3+arrow_forward19. Which of the following species are isoelectric with each other? C, Cl–, Mn+2, B–, Ar, Zn, Fe+3, Ge+2.arrow_forward[Ar]4s23d2 is the electron configuration for Zirconium Titanium Vanadium Scandiumarrow_forward
- What element has the abbreviated electron configuration of [Kr]5s24d2?arrow_forwardMercury ions, Hg(1) and Hg(II), are poisonous due to their ability to displace other metal ions in enzymes and disrupt the biological function. a) Are these ions hard or soft? b) Common ligands for metal ions in biological environments are amino acids (building blocks of proteins). Of the amino acids depicted below (focus on the highlighted atoms), which would be the best ligand for Hg(1) and Hg(II), and why? H H H O H3Nt CH2 H H H3N* -c CH2 H3Nt C-c CH2 H3Nt CH2 H3N+-C-c CH CH2 HO CH3 OH SH он H2N H2N Serine (S) Ser Threonine (T) Thr Cysteine Сys Tyrosine (Y) Asparagine (N) Glutamine (Q) Asn Тyr Gln c) Other metal ions that are toxic at certain concentrations include cadmium, chromium, iron, arsenic, and lead. For each of these metals, predict whether they would have similar chemistry to mercury using HSAB concepts. (Note that toxicity is dose-dependent; even water can be poisonous at too high a concentration in the body)arrow_forwarda) How many core electrons does the Ni atom have? b) How many valence electrons are in the Ni3+ ion? Which transition-metal ion with a 3+ charge has the electron configuration [Kr]4d5 ?arrow_forward
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